# frequency

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Related to frequency: frequency modulation, Sound frequency

## fre·quen·cy

(frē′kwən-sē)*n.*

*pl.*

**fre·quen·cies**

**1.**The property or condition of occurring at frequent intervals.

**2.**

*Mathematics & Physics*The number of times a specified periodic phenomenon occurs within a specified interval, as:

**a.**The number of repetitions of a complete sequence of values of a periodic function per unit variation of an independent variable.

**b.**The number of complete cycles of a periodic process occurring per unit time.

**c.**The number of repetitions per unit time of a complete waveform, as of an electric current.

**3.**

*Statistics*

**a.**The number of measurements or observations having a certain value or characteristic.

**b.**See relative frequency.

[Latin frequentia,

*multitude*, from frequēns, frequent-,*crowded, numerous, frequent*.]## frequency

(ˈfriːkwənsɪ)*n*,

*pl*

**-cies**

**1.**the state of being frequent; frequent occurrence

**2.**the number of times that an event occurs within a given period; rate of recurrence

**3.**(Mathematics)

*physics*the number of times that a periodic function or vibration repeats itself in a specified time, often 1 second. It is usually measured in hertz. Symbol:

**ν**

*or*

*f***4.**(Statistics)

*statistics*

**a.**the number of individuals in a class (

**absolute frequency**)

**b.**the ratio of this number to the total number of individuals under survey (

**relative frequency**)

**5.**(Biology)

*ecology*

**a.**the number of individuals of a species within a given area

**b.**the percentage of quadrats that contains individuals of a species

**frequence**

[C16: from Latin

*frequentia*a large gathering, from*frequēns*numerous, crowded]## fre•quen•cy

(ˈfri kwən si)*n.,*

*pl.*

**-cies.**

**1.**Also,

**fre′quence.**the state or fact of being frequent; frequent occurrence.

**2.**rate of occurrence.

**3.**

*Physics.*

**a.**the number of periods or regularly occurring events of any given kind in a unit of time, usu. one second.

**4.**

*Math.*the number of times a value recurs in a unit change of the independent variable of a given function.

**5.**

*Statistics.*the number of items occurring in a given category.

[1545–55; < Latin]

## fre·quen·cy

(frē′kwən-sē)**1.**

*Physics*The number of complete cycles of a wave, such as a radio wave, that occur per second. See more at wave.

**2.**

*Mathematics*The ratio of the number of occurrences of some event to the number of opportunities for its occurrence.

## Frequency

**once in a blue moon** Very rarely. A *blue moon* occurs when there is a full moon twice in the same month, an unusual event, but one that takes place from time to time.

**rare as hen’s teeth** See **scarce as hen’s teeth**, **ABSENCE**.

**when two Fridays come together** Never. Since two Fridays never come together, this expression is usually used as a sarcastic quip when one is asked when he intends to do something of an onerous nature such as complete a project, pay back a personal loan, or the like.

## frequency

Number of cycles or waves per second.

ThesaurusAntonymsRelated WordsSynonyms

**Legend:**Switch to new thesaurus

Noun | 1. | frequency - the number of occurrences within a given time period; "the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"audio frequency, audio - an audible acoustic wave frequency radio frequency - an electromagnetic wave frequency between audio and infrared infrared, infrared frequency - the infrared region of the electromagnetic spectrum; electromagnetic wave frequencies below the visible range; "they could sense radiation in the infrared" wave number - the reciprocal of the wavelength of a wave attendance - the frequency with which a person is present; "a student's attendance is an important factor in her grade" count per minute, counts/minute - frequency per minute sampling frequency - (telecommunication) the frequency of sampling a continuously varying signal rate - a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected" |

2. | frequency - the ratio of the number of observations in a statistical category to the total number of observationsratio - the relative magnitudes of two quantities (usually expressed as a quotient) incidence, relative incidence - the relative frequency of occurrence of something | |

3. | frequency - the number of observations in a given statistical categorycardinal number, cardinal - the number of elements in a mathematical set; denotes a quantity but not the order |

## frequency

*noun*recurrence, repetition, constancy, periodicity, commonness, frequentness, prevalence The cars broke down with increasing frequency.

Translations

**честота**

**častost**

**četnost**

**frekvence**

**kmitočet**

**hyppighed**

**frekvens**

**bølgelængde**

**frekvenco**

**ofteco**

**ofto**

**taajuus**

**tiheys**

**učestalost**

**frekvencia**

**gyakoriság**

**ismétlődés**

**bylgjulengd, tíîni**

**tíîleiki**

**tíîni**

**頻発**

**빈도**

**frekvence**

**častosť**

**frekvencia**

**kmitočet**

**frekvenca**

**pogostnost**

**pogostost**

**frekvens**

**ความถี่**

**tần số**

## frequency

[ˈfriːkwənsɪ]**A.**

*N*(

*gen, Elec*) → frecuencia

*f*

this is happening with increasing frequency → esto está ocurriendo con cada vez mayor frecuencia

__high__/

__low__frequency → alta/baja frecuencia

**B.**

*CPD*

**frequency band**

*N*→ banda

*f*de frecuencia

**frequency distribution**

*N*(

*Statistics*) → distribución

*f*de frecuencia

**frequency modulation**

*N*→ frecuencia

*f*modulada

## frequency

[ˈfriːkwənsi]*n*

[

the high frequency of sth → la fréquence élevée de qch

with increasing frequency (=

to increase in frequency → être de plus en plus fréquent(e)

*occurrence*] → fréquence*f*the high frequency of sth → la fréquence élevée de qch

with increasing frequency (=

*more and more often*) → de plus en plus souventto increase in frequency → être de plus en plus fréquent(e)

## frequency

## frequency

:**frequency band**

*n*→ Frequenzband

*nt*

**frequency distribution**

*n*→ Häufigkeitsverteilung

*f*

**frequency modulation**

*n*→ Frequenzmodulation

*f*

## frequent

(ˈfriːkwənt)*adjective*

happening often. He made frequent journeys.

(friˈkwent) *verb*

to visit often. He used to frequent the George Hotel.

**ˈfrequency**

*–*

*plural***ˈfrequencies**–*noun*

**1.**the state of happening often. The frequency of her visits surprised him.

**2.**(in electricity, radio

*etc*) the number of waves, vibrations

*etc*per second. At what frequency does the sound occur?

**3.**a set wavelength on which radio stations regularly broadcast. I regularly listen to this frequency in order to hear my favourite music.

**ˈfrequently**

*adverb*

often. He frequently arrived late.

## frequency

→ تَكَرُّر četnost hyppighed Häufigkeit συχνότητα frecuencia tiheys fréquence učestalost frequenza 頻発 빈도 frequentie hyppighet częstość frequencia, frequência частота frekvens ความถี่ sıklık tần số 频率## fre·quen·cy

*n.*frecuencia.

## frequency

*n*(

*pl*

**-cies**) frecuencia